Home / 214,090.59-321,143.18-101,712.81

Finding the Fourth Proportional to 214,090.59, 321,143.18 and 101,712.81

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Solution

The fourth proportional to 214,090.59, 321,143.18 and 101,712.81 is: 152,572.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,090.59 : 321,143.18 = 101,712.81 : x
  2. Step 2: Convert to fraction form
    214,090.59/321,143.18 = 101,712.81/x
  3. Step 3: Cross multiply
    214,090.59x = 321,143.18 × 101,712.81
  4. Step 4: Simplify right side
    214,090.59x = 32,664,374,741.57
  5. Step 5: Solve for x
    x = 32,664,374,741.57/214,090.59
  6. Step 6: Final answer
    x = 152,572.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.